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From Wikipedia:

William Crookes

Sir William Crookes OM PRS was a British chemist and physicist who attended the Royal College of Chemistry in London, and worked on spectroscopy. He was a pioneer of vacuum tubes, inventing the Crookes tube which was made in 1875. In 1913, Crookes invented 100% ultraviolet blocking sunglass lens. Crookes was the inventor of the Crookes radiometer, which today is made and sold as a novelty item. Late in life, he became interested in spiritualism, and became the... Read More

Born17 June 1832
London, England, UK
Died4 April 1919 (aged 86)
London, England, UK
NationalityEnglish
FieldsPhysical chemistry
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